20224035025 has 6 divisors (see below), whose sum is σ = 25077803462. Its totient is φ = 16179228000.

The previous prime is 20224035001. The next prime is 20224035031. The reversal of 20224035025 is 52053042202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2374807824 + 17849227201 = 48732^2 + 133601^2 .

It is not a de Polignac number, because 20224035025 - 2¹³ = 20224026833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 808961401 = 20224035025 / (2 + 0 + 2 + 2 + 4 + 0 + 3 + 5 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404480676 + ... + 404480725.

Almost surely, 2^20224035025 is an apocalyptic number.

20224035025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20224035025 is a deficient number, since it is larger than the sum of its proper divisors (4853768437).

20224035025 is an equidigital number, since it uses as much as digits as its factorization.

20224035025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808961411 (or 808961406 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 20224035025 its reverse (52053042202), we get a palindrome (72277077227).

The spelling of 20224035025 in words is "twenty billion, two hundred twenty-four million, thirty-five thousand, twenty-five".